Protectz is an herbal product that repels fleas and other biting insects, including ticks. Does not contain any chemical insecticides and is safe for all ages. Ideal for dogs or owners who are allergic to chemical flea sprays. Simply sprinkle on the animal's food twice a day for 5 days and protect your pet for up to 2-3 months. Takes effect in as little as 5-10 days and dosage can be repeated if needed.